<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
   <style>
        *{
			margin:auto;
	   }
     #div01{
		 width:720px;
		 height:200px;
		 background-color:#F6C;
		 float:left;
		 margin-bottom:20px;
	  }
     #div02{
		 width:180px;
		 height:200px;
		 background-color:#F99;
		 float:left;
		 margin-right:20px;
	  } 
     #div05{
		 width:200px;
		 height:200px;
		 background-color:#F99;
		 float:left;
		 margin-right:20px;
	  }   
     #div03{
		 width:300px;
		 height:200px;
		 background-color:#693;
		 float:left;
		 margin-bottom:20px;
	  }
     #div04{
		 width:720px;
		 height:200px;
		 background-color:#60C;
		 clear:left;
	  }	    
	  #father{
		  width:750px;
		  height:850px;
	  } 
   </style>
</head>

<body>
<div id="father">
    <div id="div01">qwe</div>
    <div id="div02">asdf</div>
    <div id="div05">nytn</div>
    <div id="div03"zxcv></div>
    <div id="div04">ghjk</div>
</div>
</body>
</html>
